Action Comics #273
☆ Be the first to review + Add to your collection — Join freeIn "The World of Mr. Mxyzptlk!", Superman faces a peculiar challenge when the mischievous imp Mr. Mxyzptlk takes center stage in a surreal, reality-bending adventure. Written by Otto Binder and illustrated by Jim Mooney, this 1961 classic features Curt Swan’s iconic cover and a playful, mind-bending twist that tests Superman’s resolve—while Supegirl’s earnest but flawed attempt to prove herself leads to a surprising detour in her training.
In "The Supergirl of Two Worlds!" from Action Comics #273, Jo faces a crucial test when she tries to prove her worth to Superman—only to realize her confidence has led her astray. With Marvel Man’s skills on display and Marvel Maid’s revelation adding new layers, Jo must now continue her training, determined to earn her place in the hero’s world.
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↩ Reprints Superman #105 (1956), The Adventures of Bob Hope #39 (1956)
Reprinted in Superman #218 (1969), Adventure Comics #387 (1969), Supermann #4/1970 (1970), Superman et Batman et Robin #44 (1972), Superman in Action Comics #1 (1993), The Silver Age of Superman The Greatest Covers of Action Comics from the '50s to the '70s #[nn] (1995), Supergirl Archives #2 (2004), Showcase Presents: Superman #2 (2006), Showcase Presents: Supergirl #1 (2008), Supergirl: The Silver Age Omnibus #1 (2016), Supergirl: The Silver Age #1 (2017), DC Finest: Supergirl: The Girl of Steel #[nn] (2025)
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